
LeetCode
Codility
CodeSignal
iMocha
HackerEarth
Codewars
TestGorilla
HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.

Stripo
Foundation for Emails 2
HTMLEmail.io
BeeFree
BeeFree.io
React Email
Maizzle
The open source framework for responsive emails

Which is more popular?
MJML might be a bit more popular than HackerRank. We know about 94 links to it since March 2021 and only 67 links to HackerRank.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | hackerrank.com | mjml.io |
| Pricing | — | |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
HackerRank is recommended for students, individual learners, and job seekers looking to improve their coding skills, as well as for companies seeking an efficient way to evaluate candidates' technical abilities during the hiring process.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Is HackerRank A Good Idea?
More videos
Build Responsive Emails With MJML
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using HackerRank and MJML. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


What are LeetCode and LeetCode alternatives good for?LeetCode💡Interested in leveling up your career? Apply to the Formation Fellowship...
HackerRank’s challenges cover a wide range of topics and difficulty levels, allowing developers to enhance their problem-solving skills and learn new algorithms and data structures. The competitive nature of...
HackerRank offers a wide array of challenges across various domains such as algorithms, mathematics, SQL, and functional programming. Its interface is user-friendly, and the platform provides detailed feedback on...
MJML is a markup language. They have an open-source server that generates high-quality responsive HTML for emails.
Recommendations tracked on public social media and blogs since March 2021.


This way, you transfer what you already know (problem-solving) but only change the syntax. Platforms like Hackerrank are also great to solve the same problem in different languages and learn from other people’s solutions. - Source: dev.to / about 1 year ago
Firstly, solve some common data structure problems with it. Implement some data structures like arrays, linked lists, stacks, queues, etc. You can check common problems on LeetCode, Hackerank or some other resources. - Source: dev.to / over 2 years ago
I don't have a consecutive internet connection and I can't keep up learning process so I started practicing in hackerrank.com I have started some challenges in python and c++ there. Thus I have no internet connection so I cannot practice... Source: almost 3 years ago
MJML (Mailjet Markup Language) is a powerful open-source framework designed to simplify the creation of responsive email templates. Instead of manually coding complex HTML tables and inline styles, MJML offers an intuitive,... - Source: dev.to / over 1 year ago
MJML is a markup language that creates responsive email templates. It is intuitive in the sense that its markup is rendered into responsive HTML for any device and email client. - Source: dev.to / almost 2 years ago
} Can be easily stored in Postgres jsonb. Very easy to add Reacjs base widgets like mentioning, media, diagrams, etc The drawback is that you can't design the exactly the same pixel perfect template. The better abstraction is MJML -... - Source: Hacker News / about 2 years ago
When comparing HackerRank and MJML, you can also consider the following products.

Practice and level up your development skills and prepare for technical interviews.
Compare LeetCode to HackerRank or MJML:

Stripo is an all-in-one email builder with a drag-and-drop editor and full HTML/CSS code editor in one tool, cutting production time by 3.7× — build emails of any complexity, including interactive AMP, really fast and easy.
Compare Stripo to HackerRank or MJML:

Codility provides a SaaS platform with advanced validation, security and protection features to evaluate the skills of software engineers.
Compare Codility to HackerRank or MJML:

Create responsive HTML emails that work on any device
Compare Foundation for Emails 2 to HackerRank or MJML:

CodeSignal is the leading assessment platform for technical hiring.
Compare CodeSignal to HackerRank or MJML:

Responsive HTML email templates for startups & developers
Compare HTMLEmail.io to HackerRank or MJML: